support single_translate in epub (#237)

* support no_bilingual

* use single_translate instead no_bilingual

book_maker/cli.py

@@ -230,6 +230,11 @@ So you are close to reaching the limit. You have to choose your own value, there
         python3 "make_book.py" --book_name "test_books/animal_farm.epub" --retranslate 'test_books/animal_farm_bilingual.epub' 'index_split_002.html' 'in spite of the present book shortage which'
 """,
     )
+    parser.add_argument(
+        "--single_translate",
+        action="store_true",
+        help="output translated book, no bilingual",
+    )
 
     options = parser.parse_args()
 
@@ -308,6 +313,7 @@ So you are close to reaching the limit. You have to choose your own value, there
         is_test=options.test,
         test_num=options.test_num,
         prompt_config=parse_prompt_arg(options.prompt_arg),
+        single_translate=options.single_translate,
     )
     # other options
     if options.allow_navigable_strings:

book_maker/loader/epub_loader.py

@@ -29,6 +29,7 @@ class EPUBBookLoader(BaseBookLoader):
         is_test=False,
         test_num=5,
         prompt_config=None,
+        single_translate=False,
     ):
         self.epub_name = epub_name
         self.new_epub = epub.EpubBook()
@@ -51,6 +52,7 @@ class EPUBBookLoader(BaseBookLoader):
         self.retranslate = None
         self.exclude_filelist = ""
         self.only_filelist = ""
+        self.single_translate = single_translate
 
         # monkey patch for # 173
         def _write_items_patch(obj):
@@ -131,7 +133,9 @@ class EPUBBookLoader(BaseBookLoader):
                 new_p.string = self.translate_model.translate(new_p.text)
                 self.p_to_save.append(new_p.text)
 
-        self.helper.insert_trans(p, new_p.string, self.translation_style)
+        self.helper.insert_trans(
+            p, new_p.string, self.translation_style, self.single_translate
+        )
         index += 1
 
         if index % 20 == 0:
@@ -154,18 +158,18 @@ class EPUBBookLoader(BaseBookLoader):
                 [not p.text, self._is_special_text(temp_p.text), not_trans(temp_p.text)]
             ):
                 if i == len(p_list) - 1:
-                    self.helper.deal_old(wait_p_list)
+                    self.helper.deal_old(wait_p_list, self.single_translate)
                 continue
             length = num_tokens_from_text(temp_p.text)
             if length > send_num:
-                self.helper.deal_new(p, wait_p_list)
+                self.helper.deal_new(p, wait_p_list, self.single_translate)
                 continue
             if i == len(p_list) - 1:
                 if count + length < send_num:
                     wait_p_list.append(p)
-                    self.helper.deal_old(wait_p_list)
+                    self.helper.deal_old(wait_p_list, self.single_translate)
                 else:
-                    self.helper.deal_new(p, wait_p_list)
+                    self.helper.deal_new(p, wait_p_list, self.single_translate)
                 break
             if count + length < send_num:
                 count += length
@@ -175,7 +179,7 @@ class EPUBBookLoader(BaseBookLoader):
                 #     self.helper.deal_old(wait_p_list)
                 #     count = 0
             else:
-                self.helper.deal_old(wait_p_list)
+                self.helper.deal_old(wait_p_list, self.single_translate)
                 wait_p_list.append(p)
                 count = length
 
@@ -459,7 +463,10 @@ class EPUBBookLoader(BaseBookLoader):
                             else:
                                 new_p.string = self.p_to_save[index]
                             self.helper.insert_trans(
-                                p, new_p.string, self.translation_style
+                                p,
+                                new_p.string,
+                                self.translation_style,
+                                self.single_translate,
                             )
                             index += 1
                         else:

book_maker/loader/helper.py

@@ -8,7 +8,7 @@ class EPUBBookLoaderHelper:
         self.accumulated_num = accumulated_num
         self.translation_style = translation_style
 
-    def insert_trans(self, p, text, translation_style=""):
+    def insert_trans(self, p, text, translation_style="", single_translate=False):
         if (
             p.string is not None
             and p.string.replace(" ", "").strip() == text.replace(" ", "").strip()
@@ -19,16 +19,19 @@ class EPUBBookLoaderHelper:
         if translation_style != "":
             new_p["style"] = translation_style
         p.insert_after(new_p)
+        if single_translate:
+            p.extract()
 
-    def deal_new(self, p, wait_p_list):
-        self.deal_old(wait_p_list)
+    def deal_new(self, p, wait_p_list, single_translate=False):
+        self.deal_old(wait_p_list, single_translate)
         self.insert_trans(
             p,
             shorter_result_link(self.translate_model.translate(p.text)),
             self.translation_style,
+            single_translate,
         )
 
-    def deal_old(self, wait_p_list):
+    def deal_old(self, wait_p_list, single_translate=False):
         if not wait_p_list:
             return
 
@@ -41,6 +44,7 @@ class EPUBBookLoaderHelper:
                     p,
                     shorter_result_link(result_txt_list[i]),
                     self.translation_style,
+                    single_translate,
                 )
 
         wait_p_list.clear()

book_maker/loader/txt_loader.py

@@ -18,6 +18,7 @@ class TXTBookLoader(BaseBookLoader):
         is_test=False,
         test_num=5,
         prompt_config=None,
+        single_translate=False,
     ) -> None:
         self.txt_name = txt_name
         self.translate_model = model(